Tifosi: Get ready to go the distance in Kilo! Kilo’s lightweight Grilamid TR-90 Frame provides all-day comfort with hydrophilic adjustable rubber ear and nosepieces that offer a no-slip grip. The polycarbonate lenses are shatterproof with vented lenses, making Kilo in Blackout an ideal choice for endurance sports like cycling or running. FEATURESGRILAMID TR-90 FRAME is lightweight and durable for all day comfort.HYDROPHILIC RUBBER ear & nose pieces provide a no-slip grip, the more you perspire, the more they grip.POLYCARBONATE LENSES are shatterproof, scratch-resistant material.ADJUSTABLE EAR & NOSE PIECES allow for a comfortable and customized fit.INTERCHANGE 3-lens interchange models are equipped with lenses for bright, low and no light scenarios.